package com.ly.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class CorsConfig implements WebMvcConfigurer {

	private CorsConfiguration buildConfig() {
		CorsConfiguration corsConfiguration = new CorsConfiguration();
		corsConfiguration.addAllowedOrigin("*");
		corsConfiguration.addAllowedHeader("*");
		corsConfiguration.addAllowedMethod("*");
		corsConfiguration.addExposedHeader("Authorization");
		return corsConfiguration;
	}

	@Bean
	public CorsFilter corsFilter() {
		UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
		source.registerCorsConfiguration("/**", buildConfig());
		return new CorsFilter(source);
	}

//	@Override
//	public void addCorsMappings(CorsRegistry registry) {
//		registry.addMapping("/**")
//				.allowedOrigins("*")
//				.allowedOriginPatterns("*") // 支持域
//          		.allowCredentials(true)
//				.allowedMethods("GET", "POST", "DELETE", "PUT")
//				.maxAge(3600);
//	}

	@Override
	public void addCorsMappings(CorsRegistry registry) {
		registry.addMapping("/**") // 所有接口
				.allowCredentials(true) // 是否发送 Cookie
				.allowedOriginPatterns("*") // 支持域
				.allowedMethods(new String[]{"GET", "POST", "PUT", "DELETE"}) // 支持方法
				.allowedHeaders("*")
				.exposedHeaders("*");
	}

}
